mmlsrecoverygroup ess5k_78AF89A -L --pdisk -Y | awk -F: '{if ($2=="pdisk" &&
$3!="HEADER" && $14!="4" && $9=="DA1" && $12=="ok" && $13=="normal"){print $0
}}'
Is as far as I got from last nights posts.... Which returns "nothing" on
success and a list of disks with missing paths on the ESS.
Command probably needs improving and adding to mmhealth ;)
but I'm to used to checking the multipath output on disk trays so this looks
like a very similar issue.
Peter Childs
ITS Research Storage
Phone: 020 7882 8393 or on Teams
Please contact Research Support via Ticket by
email:[email protected] or
https://support.research.its.qmul.ac.uk/
Please check the Research blog at https://blog.hpc.qmul.ac.uk
________________________________________
From: gpfsug-discuss <[email protected]> on behalf of
[email protected] <[email protected]>
Sent: Tuesday, May 10, 2022 11:18 PM
To: [email protected]
Subject: [EXTERNAL] Re: [gpfsug-discuss] ESS and Disk Paths
CAUTION: This email originated from outside of QMUL. Do not click links or open
attachments unless you recognise the sender and know the content is safe.
Fine.. challenge accepted
awk '/disk/&&!/RAID/{print; l++} END {printf "%0.2f\n", l/2}'
$ ( echo "disk123"; echo disk234; echo disk897; echo "RAID") | awk
'/disk/&&!/RAID/{print; l++} END {printf "%0.2f\n",l/2}'
disk123
disk234
disk897
1.50
-----Original Message-----
From: gpfsug-discuss <[email protected]> On Behalf Of Jonathan
Buzzard
Sent: Tuesday, May 10, 2022 3:09 PM
To: [email protected]
Subject: Re: [gpfsug-discuss] ESS and Disk Paths
On 10/05/2022 20:57, Wahl, Edward wrote:
> There is much you can do with 'lsscsi' and "mmlspdisk" and whatnot.
> Or something like "mmgetpdisktopology >
> /tmp/mmgetpdisktopology.out; topsummary /tmp/mmgetpdisktopology.out >
> topsummary"
>
> mmlspdisk should all 4 paths with 2 being notenabled. Look for
> missing paths? This may be the fastest.
> " device =
> "//ibmgssio5-hs.ten/dev/sdo(notEnabled),//ibmgssio5-hs.ten/dev/sdfe(notEnabled),//ibmgssio6-hs.ten/dev/sdo,//ibmgssio6-hs.ten/dev/sdfe"
> > "
On a DSS-G you can hop onto one of the servers and do
lsscsi | grep disk | grep -v RAID | awk 'END {print NR/2}'
The number should be the number of disks that you have including the log tip
drives. If it's not then there is a path issue. I would imagine it's the same
on the ESS.
If I thought about it for a bit you could ditch the two greps and do it all in
Awk. If the Awk is too complicated just replace it with 'wc -l'
but you will end up with a number that should be twice the number of drives.
JAB.
--
Jonathan A. Buzzard Tel: +44141-5483420
HPC System Administrator, ARCHIE-WeSt.
University of Strathclyde, John Anderson Building, Glasgow. G4 0NG
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